The XS wireless 2 wireless microphone system with miniature lapel microphone offers traditional Sennheiser reliability at an affordable price.Frequency Band B: 614 - 638 MHz The XS wireless 2 wireless microphone system offers traditional Sennheiser reliability at an affordable price. It is ideal for smaller events such as presentations, concerts, conferences or churches.The XSw 2-ME2 set with lapel microphone is suitable for spoken word. The pocket-sized transmitter with a battery life of up to 10 hours and the diversity (True Diversity) rack-mount receiver both have 12 pre-tuned channels in 8 groups and RF transmission control using a pilot signal.960 tunable UHF frequencies for uninterrupted reception24 MHz HF bandwidth8 fixed frequency groups of 12 presets1 frequency group with 12 tunable channelspilot signal with adjustable "Squelch" noise gate to ensure interference-free transmissionmUTE button on the transmittermenu control on backlit displaybattery indication on both transmitter and receiverautomatic RF band searchRF synchronization of receiver parameters with the transmitterseparable receiving antennasrack-mountable1 EM-XSw 2 diversity receiver1 SK-XSw handheld transmitter1 ME 2-2 lapel microphone1 NT 12-5 power supply1 rack mounting kit GA1-XSw (for 1/2 receivers)2 AA batteriesInstructions for use